A105957 Integers are written in the form abcd...n where "a" means "At position a in this integer there is a digit b"; "b" means: "at position b there is a digit c"; "c" means: "at position c there is a digit d"; ... and "n" means nothing.

11, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 111, 212, 222, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 322, 333, 1111, 2121, 2222, 2312, 2323, 2333, 2340, 2341, 2342, 2343, 2344, 2345, 2346, 2347, 2348, 2349, 2433, 2444, 3222, 3333, 3444, 4141, 4222

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Manfred Arens Selbstbezuegliche Zahlen vom Typ 2.

Example

Integer 2433 reads like this:
"At position 2 there is a digit 4" -- which is true;
"At position 4 there is a digit 3" -- which is true again;
"At position 3 there is a digit 3" -- which is also true.

Crossrefs

Sequence in context: A283903 A063589 A102815 * A105958 A124250 A124251

Adjacent sequences: A105954 A105955 A105956 * A105958 A105959 A105960

Keyword

base,easy,nonn

Author

Eric Angelini, Apr 28 2005

Status

approved